Abstract: [Problem] To provide: a core barrel head capable of definitely recovering an inner tube in which a geological sample has been collected in a situation where excavation is performed in a horizontal direction and in a rising gradient direction; an inner tube assembly provided with said core barrel head; and an inner tube recovery method.

Abstract: Apparatus and methods for optimizing a stick-slip algorithm for controlling a driver of a drill string. A method may include commencing operation of a control system for controlling the driver. The control system may have a processor and a memory storing a computer program code, which may include the stick-slip algorithm. The operating control system may receive a plurality of different numerical parameters, and for each of the different numerical parameters, incorporate the numerical parameter into the stick-slip algorithm and execute the stick-slip algorithm to determine a control command that causes the driver to rotate the drill string to perform drilling operations while reducing amplitude of rotational waves travelling along the drill string.

Abstract: Microbial reactors are provided for ammonium oxidation. Briefly, a reactor comprises a medium including an ammonium component and a Feammox bacterium and/or enzyme(s) thereof capable of oxidizing ammonium with electron transfer to an anode in contact with the medium. As described further herein, use of the anode as an electron acceptor can mitigate or overcome the disadvantages associated Fe(III) acceptor. In some embodiments, for example, ammonium oxidation in the reactor can proceed in the absence of Fe(III) and/or other metal compounds operable to function as an electron acceptor in the medium. Moreover, the medium may further comprise one more contaminants in addition to the ammonium component.

Abstract: A pile holding system is to be mounted on a deck of a vessel, e.g. for installation of a pile adapted to support an offshore wind turbine. The pile holding system is configured to support the pile in an upright position at a pile installation location next to the vessel. A vessel is provided with such a pile holder system. A method for installation of a pile and a pile holder are also disclosed.

Abstract: A portable, water-filled barrier system includes a water-fillable module that is internally divided into cells that emulate a section of a sandbag dike or wall, the module being fixed to an underlying base having front and rear boundaries that extend up from base and horizontally restrain the module. The base can be flexible and water filled, or rigid, and can be installed at or below grade. A lid can extend between the front and rear boundaries of a rigid base to cover the unfilled module, enabling the assemblies to be stacked when stored and transported. The lid can be hinged and, when open, can be supported by at least one brace extending from behind the lid to underlying terrain, where it can be wedged or staked in place. Adjacent bases can be joined at the front and rear to maintain contact between adjacent modules.

Abstract: The present invention provides for a method of marine construction. Said marine construction is based on an external perimeter and inner area and comprises seabed lying elements and floating elements. The marine construction of the present invention comprising fixed elements that are placed on the defined perimeter of said marine construction. Said fixed elements are lying on the seabed. And further comprising floating elements that are placed in the inner area the marine construction, defined by said external perimeter. The marine construction is capable of being deployed at a variety of distances from shore, at a differential nature of sea bed, and to be able to carry out different tasks and destinations, such as but not limited to airport, residency, army base, power station, port, marina, other infrastructures, etc. and any combination thereof.

Abstract: A belling auger includes a rotatable shaft, a main shaft extending through the rotatable shaft, a sliding sleeve mounted on the main shaft a bottom panel and a shovel rotatably attached to the rotatable shaft. Pressing the rotatable shaft down towards the sliding sleeve causes the shovel to hinge outward at the bottom of a piling hole. As the device rotates the shovel scoops dirt onto the pan, thus widening the bottom of the hole to a bell or cone shape.

Abstract: A pile plan map indicating a plurality of locations in a geographic area at which piles are to be installed is accessed. A first set of locations is identified from the plurality of locations and a first set of piles to be driven into the ground at the first set of locations using the pile plan map is identified. An order for driving the first set of piles into the ground is identified and a pile type for each of the first set of piles is identified. Basket assembly instructions are generated for assembling the first set of piles into a basket based on the identified order and the identified pile types. The first set of piles are assembled autonomously or manually into the basket based on the generated basket assembly instructions.

Abstract: A process for the manufacture, assembly and continuous construction of tubular sections made of steel or polymer in individual pipelines with gradual movement that is designed to mechanize and automate a process substantially eliminating or mitigating existing inefficiencies and risks, considerably reducing the time vessels need to be moored at piers while paying extremely expensive daily rates, increasing the quality of welds, inspections and the entire process The process including inside the manufactured unit one or more weld cabins and a series of support devices with synchronized driven and free wheels that carry the pipe segments while simultaneously enabling movement of the entire stalk without external interference, following the joining of several pipe segments (welded together), of variable length, in which the embodiments provided in the present invention enable each stalk to be approximately 1.2 km long or longer.

Abstract: A protective device, in particular an anti-erosion protective device, preferably a geotextile, is at least configured to be planarly spread over a surface, in particular an earth surface, that is to be protected, and which is at least largely implemented of a plurality of synthetic fibers interconnected via force-fit connection and/or substance-to-substance bond and arranged in such a way that they form an essentially three-dimensional structuring, wherein at least a large portion of the synthetic fibers are at least largely biodegradable.

Abstract: An integral side slope structure of a soil-covered tank, includes a tank body, connecting pieces, and reinforcing frameworks. The exterior of the tank body is completely covered with soil, and a side slope is formed after the tank body is covered with the soil; each connecting piece is composed of ribs which are in cross connection to each other; the connecting pieces are connected to the outer wall of the tank body and are laid inside the side slope in the horizontal direction; a single-layer connecting net is formed after a single layer of the connecting pieces is connected to the tank body; a plurality of layers of the connecting pieces are arranged at intervals in the vertical direction; the tank body and the side slope are connected by the multi-layer connecting net to form an integral structure; the reinforcing frameworks are arranged along the side slope.

Abstract: A method for optimizing borehole drilling by a drill string having a drill bit at a rotated and axially urged to drill formations includes measuring a parameter related to at least axial and torsional motion of a drill string propagating as elastic waves at a selected position along the drill string. An axial force exerted by the drill bit and torque applied to the drill bit are determined from the measurements related to at least axial and torsional motion. A confined compressive strength of the formations is determined from the measurements related to at least axial and torsional motion. At least one of the determined axial force and the determined torque is adjusted such that a mechanical specific energy applied to the formation is closest in value to the confined compressive strength.

Abstract: A dive mask provides underwater images and includes: a transparent lens; a frame; a strap arrangement; a water-proof housing; a camera; and batteries. A first portion of the frame receives the transparent lens, and a second portion mounts to a wearer's face. The strap arrangement secures the frame to the wearer's head. The water-proof housing is secured within the frame, with a least a portion thereof being sealed against a portion of the transparent lens. The camera is positioned within the water proof enclosure, and include a shutter button that may be depressed to capture still images or video recordings. The batteries are positioned in the water-proof housing and power the camera. A water proof port permits recharging of the batteries. A waterproof pouch with a re-sealable waterproof closure is releasably secured to one strap using a lanyard, and stores the user's personal belongings while diving.

Abstract: A directional drilling-exploring-monitoring integrated method for guaranteeing safety of an underwater shield tunnel includes: drilling a small-diameter borehole below a water area, and establishing an initial geological model; reaming the small-diameter borehole into a large-diameter borehole, placing a parallel electrical method (PEM) power cable and a monitoring optical fiber cable into the large-diameter borehole, acquiring zero field data, primary field data and secondary field data through carbon rod measurement electrodes before tunnel excavation, and processing the data with an existing inversion method to form an inversion image, thereby obtaining a refined geological model of a stratum; starting the tunnel excavation, and respectively acquiring a disturbance condition of rock and soil and a sedimentation and deformation condition of rock and soil around the tunnel during the excavation, thereby implementing safety excavation of the tunnel; and continuously monitoring the tunnel and the surrounding r

Abstract: A boat lift is attached to piles driven into the earth or to another object. The boat lift is held in horizontal position relative to piles or the object to which it is attached, but vertical movement of the boat lift relative to the object is permitted. The boat lift is connected to the piles by modular units or cube constructs that have a post extending there through. The post has a blade extending from it. The blades are attached at an angle, according to the application, to pile guides that engage piles. The pile guides vertically traverse the piles, permitting the boat lift to move vertically relative to the object, but fixing the horizontal position of the boat lift.

Abstract: A dynamic fluid flow control structure is provided that allows precise control over fluid flow using a series of two or more orifices, at least one of which may be reconfigured to change its flow characteristics. A flood control system and a flood control process are provided that emulate a preset discharge profile over time. Some versions of the structure, process, and system can be used to provide controlled storm discharge patterns in a developed area that emulate the natural pre-development discharge patterns.

Abstract: The present application relates to a precise lifting method and a lifting and reinforcing structure for a plant equipment foundation. The method includes the construction steps of: forming a curtain wall: drilling downwards at two sides of the plant equipment to form curtain holes and grouting the curtain holes, in which the grouting areas overlap each other to form two parallel curtain walls; forming a reinforcing body: drilling grouting holes inclining downwards, grouting the grouting holes to form the reinforcing body attached to a lower surface of a baseplate of the plant equipment foundation among a bottom of the baseplate and two curtain walls; and lifting: drilling lifting holes obliquely downwards to below the bottom of the reinforcing body and between two curtain walls; and conducting pressure grouting to the bottom of the lifting holes and then backward grouting upwards layer by layer.

Abstract: A lift system and method for supporting a structure. The lift system includes a first buoyant sponson tank comprising a sponson tank that extends from a first end to a second end, a mechanical assembly extending from the second end of the sponson tank, the mechanical assembly to transfer a load of a structure disposed on the mechanical assembly to the sponson tank. The sponson tank is configured to be displaced by a volume of fluid that is external to the tank and the tank provides a predetermined buoyant force against the structure to cause the structure to be displaced vertically.

Abstract: A bottom hole assembly (BHA) of a drill string includes a chassis, a plate coupled to the chassis, and a strain gauge coupled to the plate. The strain gauge is used to output a signal associated with a deformation of the plate. The plate and chassis may be included within a collar that experiences strain, and deformation of the collar may be translated to the chassis and the plate. The plate may experience strain in the form of torsional bending, in-plane bending, out-of-plane bending, axial tension or compression. The plate may include or be coupled to an electronics board that has strain gauges to measure different types of strain in isolation from other types of strain.

Abstract: A modular foundation assembly for building a modular foundation for a home includes a tarp that has a plurality of openings each strategically positioned on the tarp to facilitate the ground to be marked for a foundation. A plurality of concrete forms is provided which each has a trapezoidal shape. In this way each of the concrete forms can be lifted upwardly from a concrete member formed by the concrete forms when the concrete member has cured. Each of the concrete forms has a crenellated edge to form a series of slots into the concrete member. In this way the series of slots in the concrete member facilitate the concrete member to be lifted with a forklift.